Player Page

Bosley, S (Sarah-Ann)
Dob: 2007/08/28 (U18)
Gender: Female
Chess SA id: 207093992
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2019/08/23 (1760 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1038.0
Current Weighted rating1038.0
Current Weighted performance278.4
Current official/published rating (highest between Raw, WR and WP)1038.0
Current highest rating achieved1188.7
Current floor (min rating allowed)688.7
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±208.9
Current Raw change used (final)0.0
Projected new Raw rating1038.0
Projected new Weighed rating955.0
Projected new Weighted performance278.4
Projected new final Raw rating (if new WP > new Raw)1038.0
Projected new highest rating1188.7
Projected new floor688.7
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1038.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1010.4
Current Weighted rating1010.4
Current Weighted performance278.4
Current official/published rating (highest between Raw, WR and WP)1010.4
Current highest rating achieved1187.2
Current floor (min rating allowed)687.2
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±217.2
Current Raw change used (final)0.0
Projected new Raw rating1010.4
Projected new Weighed rating929.6
Projected new Weighted performance278.4
Projected new final Raw rating (if new WP > new Raw)1010.4
Projected new highest rating1187.2
Projected new floor687.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1010.4
Projected effective change (new Official - current Official)=0.0
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 2019 Gauteng School League Finals (U13 Girls) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 0.5 1094.4 1074.0 Analysis
4 2018 Gauteng League Final (U13 Girls) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1188.7 1187.2 Analysis
3 D5 Primary Schools Teams 2018 (U13) 2018/08/17 2018/08/18 Ekurhuleni (GE) Standard 60 0.83 6 5 1.0 1188.7 1187.2 Analysis
2 2018 Gauteng Secondary Schools Individual Chess Championships (U11 Girls) 2018/05/25 2018/05/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
1 D5 Schools Individuals (District Final) 2018 (U11 Girls) 2018/05/19 2018/05/19 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Standard All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 25 8 1 16 8.5 34.0 -136.0 1137.2 1001.2
White 11 3 0 8 3.0 27.3 -193.2 1155.7 962.6
Black 14 5 1 8 5.5 39.3 -91.1 1122.6 1031.6
Standard All 25 8 1 16 8.5 34.0 -136.0 1137.2 1001.2
White 11 3 0 8 3.0 27.3 -193.2 1155.7 962.6
Black 14 5 1 8 5.5 39.3 -91.1 1122.6 1031.6
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2070101841 Jacobs, C (Carmin) 2 1.0 1 0 1 50.0 1194.3 0.0 1194.3 View list
2 208093998 Coetzer, A (Anelda) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
3 2060099109 Kgatle, N (Nthati) 1 1.0 1 0 0 100.0 1188.7 425.0 1613.7 View list
4 2070101843 Horn, M (Mia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 208090968 Dube, H (Hlengiwe) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2080101845 Lopez, C (Cay-Lee) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1060102903 Radebe, ST (Sphamamandla) 1 1.0 1 0 0 100.0 1188.7 425.0 1613.7 View list
8 205046309 Mokone, O (Oratile) 1 1.0 1 0 0 100.0 1188.7 425.0 1613.7 View list
9 2000101283 Mitchell, G (Gabriella) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2060117817 Mahlasela, T (Tlotlo) 1 0.5 0 1 0 50.0 1094.4 0.0 1094.4 View list
11 2080115051 Seloane, B (Bokang) 1 0.0 0 0 1 0.0 1094.4 -425.0 669.4 View list
12 208066845 Roos, G (Gabriella) 1 0.0 0 0 1 0.0 1094.4 -425.0 669.4 View list
13 1050105236 Ramaila, E (Edward) 1 0.0 0 0 1 0.0 1188.7 -425.0 763.7 View list
14 207071086 Padi, Z (Zandile) 1 0.0 0 0 1 0.0 1188.7 -425.0 763.7 View list
15 2070118228 Nkala, K (Khethiwe) 1 0.0 0 0 1 0.0 1094.4 -425.0 669.4 View list
16 1060105214 Mqathi, C (Caleb) 1 0.0 0 0 1 0.0 1188.7 -425.0 763.7 View list
17 208088604 Monnig, E (Erika) 1 0.0 0 0 1 0.0 1188.7 -425.0 763.7 View list
18 2070099073 Legwai, B (Basetsana) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1050105209 Kruger, J (Jaco) 1 0.0 0 0 1 0.0 1188.7 -425.0 763.7 View list
20 206081702 Khutshwa, N (Ntombizikhona) 1 0.0 0 0 1 0.0 1188.7 -425.0 763.7 View list